166960646880 has 96 divisors (see below), whose sum is σ = 548792423424. Its totient is φ = 42587060736.

The previous prime is 166960646869. The next prime is 166960646921. The reversal of 166960646880 is 88646069661.

166960646880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7550584 + ... + 7572663.

It is an arithmetic number, because the mean of its divisors is an integer number (5716587744).

Almost surely, 2^166960646880 is an apocalyptic number.

166960646880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166960646880 is an abundant number, since it is smaller than the sum of its proper divisors (381831776544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166960646880 is a wasteful number, since it uses less digits than its factorization.

166960646880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15123288 (or 15123280 counting only the distinct ones).

The product of its (nonzero) digits is 17915904, while the sum is 60.

The spelling of 166960646880 in words is "one hundred sixty-six billion, nine hundred sixty million, six hundred forty-six thousand, eight hundred eighty".